Craftsman
Lawn & Garden Engine

Model # 143194022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143194022 4-cycle engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 163 parts  |

Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#114

Basic engine diagram

Lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

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This item is not returnable
$5.99
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Plug 30572
#28

Basic engine diagram

Plug

Part #30572

Replaced by #36083

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Manufacturer substitution
This part replaces 30572. Substitute parts can look different from the original.
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$7.89
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Flange Gasket 26750A
#24

Basic engine diagram

Flange gasket

Part #26750A

Replaced by #37609

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Manufacturer substitution
This part replaces 26750A. Substitute parts can look different from the original.
This item is not returnable
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Lawn & Garden Equipment Engine Breather Filter 31410
#54

Basic engine diagram

Lawn & garden equipment engine breather filter

Part #31410

This item is not returnable
In Stock
Handle Assembly 590442
#14

Side mount rewind starter diagram

Handle assembly

Part #590442

Replaced by #590701

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Manufacturer substitution
This part replaces 590442. Substitute parts can look different from the original.
This item is not returnable
$7.80
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Handle Insert 590443
#15

Side mount rewind starter diagram

Handle insert

Part #590443

Replaced by #590701

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Manufacturer substitution
This part replaces 590443. Substitute parts can look different from the original.
This item is not returnable
$7.80
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Fitting 631034
#16

Carburetor diagram

Fitting

Part #631034

Replaced by #632527

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Manufacturer substitution
This part replaces 631034. Substitute parts can look different from the original.
This item is not returnable
$9.59
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Lawn & Garden Equipment Engine Carburetor O-ring 630740
#13

Carburetor diagram

Lawn & garden equipment engine carburetor o-ring

Part #630740

This item is not returnable
$3.64
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Throttle Spring 631279
#2

Carburetor diagram

Throttle spring

Part #631279

Replaced by #631767

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Manufacturer substitution
This part replaces 631279. Substitute parts can look different from the original.
This item is not returnable
$2.49
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Screw 28820
#90

Basic engine diagram

Screw

Part #28820

Replaced by #651081

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Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…